你好世界

Hello World

C

#include <stdio.h>
 
int main()
{
    printf("Hello, World! \n");
 
    return 0;
}

C#

using System;
namespace HelloWorldApplication
{
   class HelloWorld
   {
      static void Main(string[] args)
      {
         Console.WriteLine("Hello World");
         Console.ReadKey();
      }
   }
}

JAVA

public class HelloWorld {
    public static void main(String[] args) {
        System.out.println("Hello World");
    }
}

JavaScript

function helloWorld () {
  alert("Hello, World!")
}

Python

#!/usr/bin/python3
 
print("Hello, World!")